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Finding the Fourth Proportional to 89,425.33, 123,406.59 and 51,184.69

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Solution

The fourth proportional to 89,425.33, 123,406.59 and 51,184.69 is: 70,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,425.33 : 123,406.59 = 51,184.69 : x
  2. Step 2: Convert to fraction form
    89,425.33/123,406.59 = 51,184.69/x
  3. Step 3: Cross multiply
    89,425.33x = 123,406.59 × 51,184.69
  4. Step 4: Simplify right side
    89,425.33x = 6,316,528,053.11
  5. Step 5: Solve for x
    x = 6,316,528,053.11/89,425.33
  6. Step 6: Final answer
    x = 70,634.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.